1.6 line-per-second printing - The value indicates the number of lines printed per second

Key Rollover - Key operations are stored in a buffer, so nothing is lost even during high-speed input

Cost/Sell/Margin - Calculate the cost, selling price, or margin of profit on an item, given the other two values

Tax & Exchange Function - Tax calculation; set the rate you want for easy calculation of amount plus tax, amount less tax, and tax amount and currency conversion functions. Current rates for converting between U.S. dollars and up to three national currencies by simply pressing corresponding button. A simple operation also converts between national currencies, with intermediate conversion to U.S. dollars